Dorman 712-245A Wheel Lug Nut

Dorman 712-245A Wheel Lug Nut Overview

Dorman 712-245A wheel lug nuts are built for drivers who need a direct-fit replacement with a clean black finish and a 60-degree conical seat. Made from medium carbon steel and threaded 1/2-20 right-hand, these lug nuts are a practical choice for Ford, Lincoln, Mercury, Cadillac, Dodge, and Jeep applications that use a flattop hex nut style.

For vehicles such as the Ford Mustang, Ford Ranger, and Lincoln MKX, Dorman 712-245A provides the thread size, seat style, and hex dimensions needed for proper wheel retention when the wheel and lug nut mating surfaces match the application.

Key Features

• Part number: 712-245A
• Medium carbon steel construction
• Black finish for a clean wheel appearance
• 1/2-20 fine thread, right-hand thread direction
• 19 mm hex size for standard service tools
• Conical seat - 60 degree seat style
• Flattop hex nut end type
• Designed for select Ford, Lincoln, Mercury, Cadillac, Dodge, and Jeep fitments

Detailed Product Description

This Dorman wheel lug nut is engineered for applications that call for a 1/2-20 SAE lug nut with a conical 60-degree seat and flattop hex design. The medium carbon steel body supports everyday wheel service, while the black finish gives the wheel hardware a uniform appearance. Dorman also notes premium chrome lug nut construction in the product family, with vacuum nickel plating and corrosion testing used on related designs to improve scratch resistance and long-term durability.

Compatible vehicle coverage includes applications such as 2000-2014 Ford Mustang, 2007-2010 Lincoln MKX, 2006-2011 Ford Crown Victoria, 1983-2005 Ford Ranger, and 2017 Jeep Wrangler with flattop hex nut wheel hardware. This part number, 712-245A, is also listed across multiple classic and late-model Ford and Mercury platforms where the wheel and lug nut interface matches the specified seat style.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

• Worn or rounded lug nuts that no longer seat securely on the wheel
• Corrosion or finish damage on existing wheel hardware
• Incorrect thread match during wheel replacement or service
• Loose wheel hardware caused by damaged seat surfaces
• Mismatch between aftermarket wheels and the required conical seat design

Installation Notes and Fitment Tips

• Verify the wheel uses a 60-degree conical seat before installation.
• Confirm 1/2-20 thread size and right-hand thread direction before ordering.
• Use a 19 mm hex tool for removal and installation.
• Check wheel-to-lug nut mating surfaces for proper seating, especially on aftermarket wheels.
• Fits 2000-2014 Ford Mustang, N/A; 2007-2010 Lincoln MKX, N/A; 2017 Jeep Wrangler, N/A; and other listed Ford, Lincoln, Mercury, Cadillac, and Dodge applications with matching flattop hex nut requirements.

Quality Assurance

Dorman designs this wheel lug nut for application-specific fitment and service reliability. The product family is tested for corrosion resistance and built to support long-term wheel hardware replacement needs when the vehicle’s thread, seat, and wheel style requirements match the listing.